Attachments screw in to post

Average size is 14mm :)

Interior Opal Size - 3mm

Great for piercings like nipple

Titanium Amethyst Tear Drop Flat Back Flat Back Length:10mm Attachments screw in to postItem lab stone teardrop bezel set (no glue) on a Titanium Internally Threaded Flatback Labret Posts. Use For Helix, Forward Helix, Tragus, Conch, Cartilage, Labret, Lip, Medusa, Monroe, Philtrum, Earrings Etc.. Material ASTM F136 Titanium, Synthetic stoneLength 6mm, 8mm, 10mmSize 4mm x 6mm Stone Gauge Thickness 16g ( 1. 2mm ), 14g ( 1. 6mm ) or 18g (1. 0mm)Thread Internally Threadedanodizing metal color available see chartWe take hygiene serious,